body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 20px;
    color: #333;
}

h1, h2 {
    color: #333;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 2.5em;
}

h2 {
    margin-top: 40px;
    margin-bottom: 10px;
    border-bottom: 2px solid #333;
    padding-bottom: 5px;
    font-size: 1.5em;
}

#client-list, #client-select, #download-client-select, #upload-client-select {
    margin-top: 10px;
    margin-bottom: 20px;
}

#client-list li {
    background: #fff;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

#client-list li:hover {
    background-color: #f1f1f1;
}

form {
    background: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

form input, form select {
    width: calc(100% - 20px);
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    transition: border-color 0.3s ease;
}

form input:focus, form select:focus {
    border-color: #007bff;
    outline: none;
}

form button {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-size: 1em;
}

form button:hover {
    background-color: #0056b3;
}

#command-output {
    background: #333;
    color: #fff;
    padding: 20px;
    border-radius: 5px;
    margin-top: 20px;
    white-space: pre-wrap;
    font-family: monospace;
    font-size: 0.9em;
}

a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0056b3;
}
